body {
    background-color: #f8f8f8;
}

@media (max-width: 767px) {
    /*fix ios 14.x iphone11+手机上登录界面input控件得到焦点后会弹出选择文件控件并乱跳*/
    :not(input) {
        -webkit-touch-callout:none;
        -webkit-user-select:none;
        -khtml-user-select:none;
        -moz-user-select:none;
        -ms-user-select:none;
        user-select:none;
    }
}